Since plugins are now tied to the heartbeat of the system itself,
it makes sense to split out hardcoded base functionality into
their pluggable counterparts.  Start with the candidates that
already have a plugin file.

(cherry picked from commit 6d2c81d7)
(cherry picked from commit 02956706)
(cherry picked from commit dc3b4419)
(cherry picked from commit 5e127d5e)